object ScalaDataConverDemo02 {
  def main(args: Array[String]): Unit = {
    val num1: Int = 10 * 3.5.toInt + 6 * 1.5.toInt
    println("num1 = " + num1)
    var num2: Int = (10 * 3.5 + 6 * 1.5).toInt
    println("num2 = " + num2)

    var char1: Char = 1
    var num3 = 1
  }
}
